William Libby
CEO @ Upper90
New York, United States
William Libby is a debt financing investor at Upper90 in New York focused on Credit and FinTech. Billy is co-founder and managing partner at Upper90 which is fintech focused private equity fund based in New York. Previously, he ran electronic trading businesses at leading institutions working closely with technology, quant research and steams.
- Total investments:
- 9
- Last investment:
- Lead investor:
- 56%
Last updated:
For AI agents: llms.txt
Industries William Libby invests in
Stages William Libby invests in
Countries William Libby invests in
Investment Focus
Industry
- Credit 2 (22%)
- FinTech 2 (22%)
- E-Commerce 2 (22%)
- Financial Services 2 (22%)
- B2B 1 (11%)
Stage
- Debt Financing 3 (33%)
- Venture - Series Unknown 2 (22%)
- Series C 1 (11%)
- Series E 1 (11%)
- Series F 1 (11%)
Country
- United States 7 (78%)
- Germany 1 (11%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Octane
|
Octane provides a digital financing platform that enables consumers to obtain personalized loan offers for powersports vehicles, outdoor equipment, and similar lifestyle purchases, using soft credit checks that do not impact credit scores. The platform connects shoppers with dealer partners to support an end-to-end process from online rate checksto in-store financing and loan servicing. Octane also offers tools for dealers to close deals with digital approvals and paperless workflows while accommodating a range of credit profiles. The company’s services include programs tailored for different buyer types and integration features that simplify purchase decisions for both consumers and dealer partners. | $50M / Series F / Dec 15, 2025 | |
Crusoe
|
Crusoe is on a mission to help the oil industry reduce routine flaring of natural gas. They are passionate about creating solutions that benefit the environment, local communities, and energy producers.Crusoe Energy Systems provides oil and gas companies with a fast, low cost and simple solution to natural gas flaring. As the energy industrystruggles with pipeline constraints and increasing regulations around flaring and combusting, Crusoe is here to help. Their service lets operators preserve or regain regulatory compliance, maintain existing production and facilitate future development. | $1.4B / Series E / Oct 23, 2025 | |
|
Crusoe
|
Crusoe is on a mission to help the oil industry reduce routine flaring of natural gas. They are passionate about creating solutions that benefit the environment, local communities, and energy producers.Crusoe Energy Systems provides oil and gas companies with a fast, low cost and simple solution to natural gas flaring. As the energy industrystruggles with pipeline constraints and increasing regulations around flaring and combusting, Crusoe is here to help. Their service lets operators preserve or regain regulatory compliance, maintain existing production and facilitate future development. | $225M / Debt Financing / Mar 27, 2025 | |
STAX Engineering, Inc.
|
The STAX mission is to help 1 billion people significantly through new technologies that promote health, sustainability, reduced environmental toxins, and reduced global warming. | $40M / Private Equity / Jul 17, 2024 | |
Braavo Capital
|
Braavo provides revenue-based financing to mobile app and game developers worldwide. Whether you're a an early-stage health and fitness app or a multi-million dollar mobile gaming publisher, Braavo is your partner for flexible, affordable and on-demand financing.Founded in 2015, Braavo is headquartered in New York City. The company hasfunded nearly half a billion dollars to the top app companies in the world and is backed by investors including e.ventures, SWS Venture Capital, SV Angel, BoxGroup, Upper90, and a number of successful angels and entrepreneurs from the fintech and mobile community. | $30M / Debt Financing / May 28, 2024 | |
Razor Group
|
Razor is a global consumer holding company that partners with e-commerce merchants to acquire and scale brands. Razor uses significant growth capital with extensive e-commerce expertise in order to take these acquired merchants to the next stage of development. Razor focuses on specific product categories, long-term value enhancement, andfirst-class customer satisfaction. | $18M / Series C / Apr 17, 2023 | |
Mainfactor
|
E-commerce-as-a-service: Mainfactor builds, markets, and operates direct-to-consumer businesses with artists, creators, and brands. | $65M / Debt Financing / Sep 22, 2021 | |
e2log
|
E2log is a digital ecosystem for the door-to-door shipping of oversize cargoes. Its ecosystem services include cargo assessment, packing list preparation, loading, customs clearance, port handling, international transportation, and more. The company was founded in 2018 and is headquartered in Sugar Land, Texas. | $7.1M / Venture - Series Unknown / Sep 03, 2021 | |
Fig Loans
|
Fig partners with Family Houston to offer you a loan that is 80% cheaper and designed to get you out of debt. Fig helps you through financial emergencies and build credit towards a better future. | $23M / Venture - Series Unknown / Aug 18, 2020 |
Co-Investors
Valar Ventures
2 deals together
137 Ventures
1 deal together
468 Capital
1 deal together
BCI
1 deal together
BlackRock
1 deal together
Camping World
1 deal together
About Upper90
Upper90 provides tailored growth capital to top disruptors in eCommerce, FinTech, and Supply Chain Finance. Founded in 2018 by executives from Seamless-GrubHub and Goldman Sachs, the firm has grown AUM to $1.2B and has originated over $1B of additional co-investment capacity to LPs through SPVs and direct opportunities. Industry leaders likeThrasio, Clearco, Crusoe Energy, Clutch, Settle, and Octane have each secured an initial credit facility from Upper90, helping their founders scale with less dilution.
Upper90 Contacts
| Name | Phone | Socials | |
|---|---|---|---|
|
William Libby
CEO
|
|||
Jason Finger
Chairman
|
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3 more contacts available
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FAQ
What does William Libby invest in?
William Libby invests primarily in Credit, FinTech and E-Commerce startups, most often at Debt Financing and Venture - Series Unknown stage. Most of the 9 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
When did William Libby last invest?
The most recent investment recorded for William Libby closed in Dec 2025. Shizune tracks 9 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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